Global 
Austria 
Belgium 
France 
Germany 
Italy 
Luxembourg 
Netherlands 
Portugal 
Qatar 
Russia 
Saudi Arabia 
South Africa 
Spain 
UAE 
United Kingdom Why noise is bad for attracting girls
Published on 17/10/2010
Male birds sing higher when confronted with short-term changes in noise levels, Swiss scientists have discovered. But theres a catch: the females dont like it.